AS 2140-2008

1-AS 2140-2008 JEWELLERY-FINENESS OF PRECIOUS METAL ALLOYS
4-PREFACE
5-CONTENTS
6-1 SCOPE
6-2 REFERENCED DOCUMENTS
6-3 DEFINITIONS
6-3.1 Alloy
6-3.2 Base metal
6-3.3 Fineness
6-3.4 Precious metal
7-3.5 Range of fineness
7-4 COMPOSITION
7-5 DESIGNATION OF PRECIOUS METAL CONTENT
7-5.1 Method
7-5.2 Symbol
8-6 BASE METALS
8-6.1 General
8-6.2 Use of base metals in jewellery
8-7 SOLDERS
8-7.1 General
8-7.2 Gold alloy solder
8-7.3 Silver alloy solder
8-7.4 Platinum alloy solder
9-7.5 Palladium alloy solder
9-7.6 Cadmium bearing solders
9-8 SYMBOLS
9-8.1 General
9-8.2 Gold symbol
9-8.3 Silver symbol
9-8.4 Platinum symbol
10-8.5 Palladium symbol
10-9 MARKING REQUIREMENTS
10-9.1 General
10-9.2 Location of marking
10-9.3 Marking of mixed metal articles
10-9.4 Marking of small articles
11-10 DETERMINATION OF PRECIOUS METAL CONTENT
11-10.1 General
11-11 ELEMENTS AND METALS TO BE RESTRICTED IN JEWELLERY ALLOYS
11-11.1 General
11-11.2 Hazardous materials
11-11.3 Metals causing allergies
13-APPENDIX A - USE OF SYMBOLS
14-APPENDIX B - GUIDE TO COMPARING THE MILLESIMAL FINENESS OF GOLD WITH PREVIOUS CARAT DESIGNATION
15-APPENDIX C - MIXED METAL AND ALLOY MARKING RECOMMENDATIONS
15-C1 EXAMPLE 1-Gold, titanium and platinum
15-C2 EXAMPLE 2-Titanium, silver and gold